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Discussion Starter #1
Going to a 37t sprocket rear. Do I need a chain with more links or will stock link count work?

thanks for the help
 

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I would recommend changing chain and both front and rear sprocket all as a set. Using and old chain on a new sprocket is going to cause them to wear much quicker.

If you really don't want to do that, I would just change the front to a 14t (same overall gearing) and your stock chain will definitely fit.
 

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Looks like someone likes to do a lot of wheelies with this sprocket setup, make sure to also get the modified oil pump so your wheelies does not starve the engine of oil.
 

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Stock 15 and 37 aftermarket was very close to gearing with changing just to a 14 up front..Just the 37 tooth sprocket is a lot easier on the eyes looking at the bike.
 

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Also MNNTHBX has a great looking silver sprockets in those tooth count very reasonably priced. Great guys also.
 
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